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Medical retrieval device

  • US 6,800,080 B1
  • Filed: 12/22/1999
  • Issued: 10/05/2004
  • Est. Priority Date: 05/03/1996
  • Status: Expired due to Term
First Claim
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1. A medical device, comprising:

  • a proximal handle;

    a sheath extending from the handle to a distal end of the sheath, the sheath including a lumen extending therethrough; and

    a basket comprising at least three legs, said basket having a collapsed position in which the basket is collapsed within the lumen of the sheath and an expanded position in which the basket is located beyond the distal end of the sheath, the basket comprising a proximal portion comprising a length, a distal portion comprising a length, and an intermediate portion extending between the proximal and distal portions, the intermediate portion comprising a length that is greater than the length of each of said proximal portion and said distal portion, said at least three legs in the intermediate portion being spirally arranged, substantially parallel, and non-intersecting, said intermediate portion having a uniform diameter throughout its length when the basket is in the expanded position.

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